1 // Copyright 2015 The etcd Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package transport 16 17 import ( 18 "net" 19 "net/http" 20 "time" 21 ) 22 23 // NewTimeoutTransport returns a transport created using the given TLS info. 24 // If read/write on the created connection blocks longer than its time limit, 25 // it will return timeout error. 26 // If read/write timeout is set, transport will not be able to reuse connection. 27 func NewTimeoutTransport(info TLSInfo, dialtimeoutd, rdtimeoutd, wtimeoutd time.Duration) (*http.Transport, error) { 28 tr, err := NewTransport(info, dialtimeoutd) 29 if err != nil { 30 return nil, err 31 } 32 33 if rdtimeoutd != 0 || wtimeoutd != 0 { 34 // the timed out connection will timeout soon after it is idle. 35 // it should not be put back to http transport as an idle connection for future usage. 36 tr.MaxIdleConnsPerHost = -1 37 } else { 38 // allow more idle connections between peers to avoid unnecessary port allocation. 39 tr.MaxIdleConnsPerHost = 1024 40 } 41 42 tr.Dial = (&rwTimeoutDialer{ 43 Dialer: net.Dialer{ 44 Timeout: dialtimeoutd, 45 KeepAlive: 30 * time.Second, 46 }, 47 rdtimeoutd: rdtimeoutd, 48 wtimeoutd: wtimeoutd, 49 }).Dial 50 return tr, nil 51 } 52